gregg: china is unveiling the world's longest high-speed rail train this week. 1500 miles long, it runs from beijing to the south, and the train on this high-speed rail line initially ran 186 miles per hour. can you believe that? cutting between the two cities. china's railway system has a checker ored past, it has been riddled with accidents including the latest crash involving a bullet train which killed 40 people. remember that? july. patti ann: well, anxiety is rising over big tax hikes and spending cuts set to kick in on january 1st. a growing number of lawmakers saying they are skeptical that a deal can be reached in five days to avoid the fiscal cliff, especially with the main sticking point coming down to whether to increase taxes for top earners next year among many other things. byron york, now, of "the washington examiner" joins us to talk about this. good morning, byron. >> good morning, patti ann. patti ann: so we're going to show a full scream of what would happen if -- full screen of what would happen if we go off that fiscal cliff. but you got democrats, including congre